240040464 has 40 divisors (see below), whose sum is σ = 621671520. Its totient is φ = 79811328.

The previous prime is 240040447. The next prime is 240040477. The reversal of 240040464 is 464040042.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13519 + ... + 25745.

It is an arithmetic number, because the mean of its divisors is an integer number (15541788).

Almost surely, 2^240040464 is an apocalyptic number.

240040464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

240040464 is an abundant number, since it is smaller than the sum of its proper divisors (381631056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240040464 is a wasteful number, since it uses less digits than its factorization.

240040464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647 (or 12641 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 240040464 is about 15493.2392997720. The cubic root of 240040464 is about 621.4814245215.

The spelling of 240040464 in words is "two hundred forty million, forty thousand, four hundred sixty-four".